Refactor AutocompleteEditViewGtk so that AutocompleteEditView impl can be swapped.

chrome/browser/autocomplete/autocomplete_edit_unittest.cc

Index: chrome/browser/autocomplete/autocomplete_edit_unittest.cc
diff --git a/chrome/browser/autocomplete/autocomplete_edit_unittest.cc b/chrome/browser/autocomplete/autocomplete_edit_unittest.cc
index 7dedb984f0f331117ade4c414f9f01f738c9dded..73c8ae9ff7c31b974df93c7165108a1779a6b5b1 100644
--- a/chrome/browser/autocomplete/autocomplete_edit_unittest.cc
+++ b/chrome/browser/autocomplete/autocomplete_edit_unittest.cc
@@ -55,6 +55,15 @@ class TestingAutocompleteEditView : public AutocompleteEditView {
   virtual gfx::NativeView GetNativeView() const { return 0; }
   virtual CommandUpdater* GetCommandUpdater() { return NULL; }
 
+#if defined(TOOLKIT_VIEWS)
+  virtual views::View* AddToView(views::View* parent) { return NULL; }
+  virtual int TextWidth() const { return 0; }
+  virtual bool CommitInstantSuggestion(
+      const std::wstring& typed_text,
+      const std::wstring& suggested_text) { return false;}
+  virtual void SetInstantSuggestion(const string16& input) {}
+#endif
+
  private:
   DISALLOW_COPY_AND_ASSIGN(TestingAutocompleteEditView);
 };